<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @copyright   Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

namespace Magento\Integration\Helper;

use Magento\Framework\Exception\InputException;

/**
 * Validator Helper for user credentials
 */
class Validator
{
    /**
     * Validate user credentials
     *
     * @param string $username
     * @param string $password
     * @throws InputException
     * @return void
     */
    public function validateCredentials($username, $password)
    {
        $exception = new InputException();
        if (!is_string($username) || strlen($username) == 0) {
            $exception->addError(InputException::REQUIRED_FIELD, ['fieldName' => 'username']);
        }
        if (!is_string($username) || strlen($password) == 0) {
            $exception->addError(InputException::REQUIRED_FIELD, ['fieldName' => 'password']);
        }
        if ($exception->wasErrorAdded()) {
            throw $exception;
        }
    }
}
